9.4作业

9月4日java

 

 

1.3

public class Test{

    public static void main(String[] args){

       System.out.println("   ]");

       System.out.println("   ]");

       System.out.println("]  ]");

       System.out.println(" ]]");

}

}

public class Test{

    public static void main(String[] args){

       System.out.println("   A");

       System.out.println("  A A");

       System.out.println(" AAAAA");

       System.out.println("A      A");

}

}

public class Test{

    public static void main(String[] args){

       System.out.println("V     V");

       System.out.println(" V   V");

       System.out.println("  V V");

       System.out.println("   V");

}

}

 

1.8

public class Test{

    public static void main(String[] args){

       final double PI = 3.14;

       double radius = 5.5;

       System.out.println(2 * radius * PI);

       System.out.println(PI * radius * radius);

}

}

 

 

1.12

public class Test{

    public static void main(String[] args){

       double S = 24 * 1.6;

       double T = (1 * 60 + 40) * 60 + 35;

       double speed = S / T;

       System.out.println(speed);

}

}